3 months with my 318iS= Consistently Great MPG!

[320touring]

I've just put all the costs for my 318iS into sprintmonitor.de..

The car has been on the road since 1st February 2011, and replaced my Saab 9-3..

So far I've covered 5472 miles, and used 134 UK Gallons..

that's 40.8 UK MPG including a trackday



Including the purchase cost of the car and Tax, the total running costs come out at

£0.26 per mile

meaning my daily commute costs me £13 for 50 miles.



taking off the purchase price and tax (car was bought outright and is old enough not to be affected by depreciation) makes my daily commute

£7 return.

This is £2.50 LESS than the train would cost to get there.. so I save £12.50 a week, PLUS about 8hrs travel time

Gawd bless Ecomodder


Now i'm onto my e30 320i, and initial results are promising- my good lady has taken over the iS and is being pestered to continue hypermiling

[Arragonis]

What methods did you use and what worked the best ?

[320touring]

Originally Posted by Arragonis

What methods did you use and what worked the best ?

Currently the car is running tyres at 40psi

As for techniques I do the following:

When car is cold in mornings/at hometime- keep the car in gear as much as possible, and use "firmer" acceleration to help it heat up asap

Engine braking with DFCO to junctions or if the traffic is slowing

Above 35mph, use 5th at 20mpg on the consumption indicator for acceleration- moves it up the road, but doesnt use too much fuel

On the Motorway (where it spends most of its time)

I use P& e(on) glide. Going from 70-55mph if the traffic allows. This seems to allow me to follow trucks doing 60 at a safe distance. If traffic is heavy, I'll drop to a 60-45mph setup

Switch it off if sitting in traffic

In town- lots of P& e(on) glide- it'll roll for ages between 30 and 25mph this may be due to the Wanli and Runway tyres it's shod with

Car has no aero mods.


Hoping to get a WAI and possibly an under tray on it this summer

I reckon 45mpg should be achieveable, even after its 2nd trackday..

Also, I may possibly service the bloody thing

[barkl0r]

Nice work there! Dropping to 50 mph helps so much. I also run sidewall max pressures on tyres.

[piers.singer]

Great results, man! Keep up the good work.

[Arragonis]

Excellent, I'm finding the truck following at a safe distance (2 second rule and all that) is a winner - partly as it limits my speed and partly because of the hole in the air.

EDIT - And shutting off in traffic, taking care to let the turbo idle for a bit.